Windows authentication is a process that verifies that the Windows is authentic and there are many types of windows authentication methods that you can opt to do. You see, it is very important that you are able to authenticate your copy of Windows so that you will be able to get the most out of it – as you paid for it.
The NTLM types of windows authentication involve a challenge and response method. NTLM is a short term for NT LAN Manager. Here, you will be asked to enter your ID then you will be challenged to enter, of course, a valid password. Obviously, if the password that you enter is not right, you will not be given access. If you cannot log in with the right credentials, then your Windows account will get locked out. This is how these types of windows authentication work. These types of windows authentication methods are run on the Microsoft servers. This will give you the assurance that you are on a secured network and it is alright to enter sensitive information.
The Kerberos types of windows authentication pertains to using a shared key that is secret. This key is generated by the system Key Distribution Center. The Key Distribution Center will be the one to encrypt and decrypt the keys. You see, there are two services available here. The first one pertains to the process of distributing the pre-authentication and then verifying the key. The second one pertains to allowing people to get their service granted. You see, when the system already validates that the key is correct, there will be a ticket granted to you so that you can access the files and the internet on that session alone.
The SPNEGO types of windows authentication pertains to the authentication method that occurs when there are no defined authentication methods yet for two servers and computer systems. SPNEGO is a short term for security negotiation. In these types of windows authentication, the client computer will provide a list of different kinds of methods that can be used to authenticate the session. The system will then automatically select the method that it thinks will be most effective and the one that will most likely is going to work. All that’s left for you to do is to follow the authentication method that is selected and you will get your Windows authenticated right away.
It is very important that the version of Windows that you are using is authenticated. It is very important that the Windows servers are able to verify and confirm that you are using legitimate copies of Windows too so that you will not be at risk of losing your access to the computer system. You can choose to authenticate your Windows system with one of the three above mentioned methods. The most important part is that you will be able to input the right key so that you will be allowed to enjoy the Windows operating system that you bought for your use.